== sanity test 101b: check stride-io mode read-ahead =========================================================================== 10:41:06 (1788273666)
striped dir -i1 -c2 -H fnv_1a_64  /mnt/lustre/d101b.sanity

1.659908s, 5.05366MB/s
Read-ahead success for size 8192

1.607371s, 5.21884MB/s
Read-ahead success for size 16384

1.751667s, 4.78893MB/s
Read-ahead success for size 32768

1.426838s, 5.87916MB/s
Read-ahead success for size 65536

1.519033s, 5.52233MB/s
Read-ahead success for size 131072

1.434691s, 5.84698MB/s
Read-ahead success for size 262144

1.347048s, 6.2274MB/s
Read-ahead success for size 524288

1.040997s, 8.05824MB/s
Read-ahead success for size 1048576